package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import lombok.val;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Api(tags = "C端菜品浏览接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("list")
    @ApiOperation("根据分类id查询菜品")
    @Cacheable(cacheNames = "dishCache", key = "#categoryId")
    public Result<List<DishVO>> list(Long categoryId) {
//        // 1.构造redis中的key, dish_分类id
//        String key = "dish_" + categoryId;
//        // 2.查询redis中是否存在菜品id
//        List<DishVO> dishVOList = (List<DishVO>) redisTemplate.opsForValue().get(key);
//        // 3.如果redis中存在菜品数据，直接返回数据
//        if (dishVOList != null && dishVOList.size() > 0) {
//            return Result.success(dishVOList);
//        }
        log.info("查询菜品分类id：{}", categoryId);
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE); // 查询起售中的数据
        // 4.不存在，查询数据库，并将查询到的数据放入redis中
        List<DishVO> list = dishService.listWithFlavors(dish);
//        redisTemplate.opsForValue().set(key, list);
        return Result.success(list);
    }
}
